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Generating random whole numbers in JavaScript in a specific range?
...bers. Do not use them for anything related to security. Use the Web
Crypto API instead, and more precisely the
window.crypto.getRandomValues() method.
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Creating a favicon [closed]
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FaviconGenerator.com also provides access to their API from node/grunt/gulp.
– Matt
Jul 6 '17 at 0:56
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What is the facade design pattern?
... aways used for hiding the implement of detail class and supply the public api safely.
– yebw
Feb 4 '13 at 7:13
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How can I add a third button to an Android Alert Dialog?
The API says that the Alert Dialog can have one, two or three buttons, but the SDK only allows for a positive and negative button. How then can I add a third button?
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Get an OutputStream into a String
... Save yourself a year of your life and read through all the common's APIs so when you encounter a problem, you can unleash a fully tested and community owned solution.
– Bob Herrmann
Oct 20 '08 at 0:53
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How is attr_accessible used in Rails 4?
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So gimmiky & frequently changing apis, coupled with newfound pedantics waste many developer hours in yet another painful Rails upgrade :-(
– Brian Takita
Jan 23 '15 at 19:26
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Check OS version in Swift?
...you're using Swift 2 and you want to check the OS version to use a certain API, you can use new availability feature:
if #available(iOS 8, *) {
//iOS 8+ code here.
}
else {
//Code for iOS 7 and older versions.
//An important note: if you use #availability, Xcode will also
//check t...
Retain precision with double in Java
...ich will handle very large numbers and very small numbers.
From the Java API Reference for the BigDecimal class:
Immutable,
arbitrary-precision signed decimal
numbers. A BigDecimal consists of an
arbitrary precision integer unscaled
value and a 32-bit integer scale. If
zero or positi...
If strings are immutable in .NET, then why does Substring take O(n) time?
... and allows for the pointer to be passed in a P/Invoke to Win32 (or other) APIs which expect a null-terminated string.
When you do Substring(0, 5) the "oh, but I promised there'd be a null-character after the last character" rule says you need to make a copy. Even if you got the substring at the e...
Why does Windows64 use a different calling convention from all other OSes on x86-64?
...not be modified (or at least that they be restored before calling into the API). I'd imagine 64-bit code does the same with RSI and RDI, which would explain why they're not used to pass function arguments around.
I couldn't tell you why RCX and RDX are switched, though.
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